Immunogen sequence: TEAHEGDPTN GSGEQSKTSN NGGGLGKKMR AISWTMKKKV GKKYIKALSE EKDEEDGENA HPYRNSDPVI GTHTEKVSLK ASDSMDSLYS GQSSSSGITS CSDGTSNRDS FRLDDDGPYS GPFC. SAMSN (HACS1) is a member of a novel gene family of putative adaptors and scaffold proteins cont